[INFO] updating cached repository tetigi/raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tetigi/raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tetigi/raytracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/tetigi/raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tetigi/raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tetigi/raytracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tetigi/raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tetigi/raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c6a87b0bd5958125c96c00f88eb8d9d9af9e25e
[INFO] sha for GitHub repo tetigi/raytracer: 3c6a87b0bd5958125c96c00f88eb8d9d9af9e25e
[INFO] validating manifest of tetigi/raytracer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tetigi/raytracer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tetigi/raytracer
[INFO] finished frobbing tetigi/raytracer
[INFO] frobbed toml for tetigi/raytracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/tetigi/raytracer/Cargo.toml
[INFO] started frobbing tetigi/raytracer
[INFO] finished frobbing tetigi/raytracer
[INFO] frobbed toml for tetigi/raytracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tetigi/raytracer/Cargo.toml
[INFO] crate tetigi/raytracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tetigi/raytracer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tetigi/raytracer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4e92b99b7287915e69f58a6960f014d072a5d848410188115b5ebec7f1424602
[INFO] running `"docker" "start" "-a" "4e92b99b7287915e69f58a6960f014d072a5d848410188115b5ebec7f1424602"`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `black`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn black() -> Pixel {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_length`
[INFO] [stderr]    --> src/main.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn new_with_length(x: f64, y: f64, z: f64, n: f64) -> Vector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `pos`
[INFO] [stderr]    --> src/main.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     pos: (f64, f64),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_pos`
[INFO] [stderr]    --> src/main.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     pub fn with_pos(&mut self, x: f64, y: f64) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_plane_z`
[INFO] [stderr]    --> src/main.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     pub fn with_plane_z(&mut self, vec: Vector) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_plane_x`
[INFO] [stderr]    --> src/main.rs:284:5
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn with_plane_x(&mut self, vec: Vector) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `intensity`
[INFO] [stderr]    --> src/main.rs:353:5
[INFO] [stderr]     |
[INFO] [stderr] 353 |     intensity: f64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "4e92b99b7287915e69f58a6960f014d072a5d848410188115b5ebec7f1424602"`
[INFO] running `"docker" "rm" "-f" "4e92b99b7287915e69f58a6960f014d072a5d848410188115b5ebec7f1424602"`
[INFO] [stdout] 4e92b99b7287915e69f58a6960f014d072a5d848410188115b5ebec7f1424602
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tetigi/raytracer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 40512235cdd77f7c2ecedee1f5ccad4bf2243b6578311fe34d598342ed29e647
[INFO] running `"docker" "start" "-a" "40512235cdd77f7c2ecedee1f5ccad4bf2243b6578311fe34d598342ed29e647"`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `black`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn black() -> Pixel {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_length`
[INFO] [stderr]    --> src/main.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn new_with_length(x: f64, y: f64, z: f64, n: f64) -> Vector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `pos`
[INFO] [stderr]    --> src/main.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     pos: (f64, f64),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_pos`
[INFO] [stderr]    --> src/main.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     pub fn with_pos(&mut self, x: f64, y: f64) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_plane_z`
[INFO] [stderr]    --> src/main.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     pub fn with_plane_z(&mut self, vec: Vector) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_plane_x`
[INFO] [stderr]    --> src/main.rs:284:5
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn with_plane_x(&mut self, vec: Vector) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `intensity`
[INFO] [stderr]    --> src/main.rs:353:5
[INFO] [stderr]     |
[INFO] [stderr] 353 |     intensity: f64,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "40512235cdd77f7c2ecedee1f5ccad4bf2243b6578311fe34d598342ed29e647"`
[INFO] running `"docker" "rm" "-f" "40512235cdd77f7c2ecedee1f5ccad4bf2243b6578311fe34d598342ed29e647"`
[INFO] [stdout] 40512235cdd77f7c2ecedee1f5ccad4bf2243b6578311fe34d598342ed29e647
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tetigi/raytracer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 27a23c1a74e751d3c155462f983599485b5b15f2b6725f63f3dc16f629c4d438
[INFO] running `"docker" "start" "-a" "27a23c1a74e751d3c155462f983599485b5b15f2b6725f63f3dc16f629c4d438"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/raytracer-74adb8da81b4a45a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "27a23c1a74e751d3c155462f983599485b5b15f2b6725f63f3dc16f629c4d438"`
[INFO] running `"docker" "rm" "-f" "27a23c1a74e751d3c155462f983599485b5b15f2b6725f63f3dc16f629c4d438"`
[INFO] [stdout] 27a23c1a74e751d3c155462f983599485b5b15f2b6725f63f3dc16f629c4d438